toPrimitive.js 568 B

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  1. import _typeof from "@babel/runtime-corejs3/helpers/typeof";
  2. import _Symbol$toPrimitive from "@babel/runtime-corejs3/core-js/symbol/to-primitive";
  3. export default function _toPrimitive(input, hint) {
  4. if (_typeof(input) !== "object" || input === null) return input;
  5. var prim = input[_Symbol$toPrimitive];
  6. if (prim !== undefined) {
  7. var res = prim.call(input, hint || "default");
  8. if (_typeof(res) !== "object") return res;
  9. throw new TypeError("@@toPrimitive must return a primitive value.");
  10. }
  11. return (hint === "string" ? String : Number)(input);
  12. }